Yay thankssssssassssssssssssss
Answer:
abstract art, also called nonobjective art or nonrepresentational art, painting, sculpture, or graphic art in which the portrayal of things from the visible world plays little or no part. All art consists largely of elements that can be called abstract elements of form, colour, line, tone, and texture. Prior to the 20th century these abstract elements were employed by artists to describe, illustrate, or reproduce the world of nature and of human civilization and exposition dominated over expressive function.
The answer is B. ( They do not have depth )
Explanation: being back in time all the cave men had was ink so there would be no way they could have depth.
Hope this helped!!
